drivers/media/video/cx231xx/cx231xx-cards.c

   1 /*
   2    cx231xx-cards.c - driver for Conexant Cx23100/101/102
   3                                 USB video capture devices
   4
   5    Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
   6                                 Based on em28xx driver
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/module.h>
  25 #include <linux/slab.h>
  26 #include <linux/delay.h>
  27 #include <linux/i2c.h>
  28 #include <linux/usb.h>
  29 #include <media/tuner.h>
  30 #include <media/tveeprom.h>
  31 #include <media/v4l2-common.h>
  32 #include <media/v4l2-chip-ident.h>
  33
  34 #include <media/cx25840.h>
  35 #include "dvb-usb-ids.h"
  36 #include "xc5000.h"
  37
  38 #include "cx231xx.h"
  39
  40 static int tuner = -1;
  41 module_param(tuner, int, 0444);
  42 MODULE_PARM_DESC(tuner, "tuner type");
  43
  44 static int transfer_mode = 1;
  45 module_param(transfer_mode, int, 0444);
  46 MODULE_PARM_DESC(transfer_mode, "transfer mode (1-ISO or 0-BULK)");
  47
  48 static unsigned int disable_ir;
  49 module_param(disable_ir, int, 0444);
  50 MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
  51
  52 /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */
  53 static unsigned long cx231xx_devused;
  54
  55 /*
  56  *  Reset sequences for analog/digital modes
  57  */
  58
  59 static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = {
  60         {0x03, 0x01, 10},
  61         {0x03, 0x00, 30},
  62         {0x03, 0x01, 10},
  63         {-1, -1, -1},
  64 };
  65
  66 /*
  67  *  Board definitions
  68  */
  69 struct cx231xx_board cx231xx_boards[] = {
  70         [CX231XX_BOARD_UNKNOWN] = {
  71                 .name = "Unknown CX231xx video grabber",
  72                 .tuner_type = TUNER_ABSENT,
  73                 .input = {{
  74                                 .type = CX231XX_VMUX_TELEVISION,
  75                                 .vmux = CX231XX_VIN_3_1,
  76                                 .amux = CX231XX_AMUX_VIDEO,
  77                                 .gpio = NULL,
  78                         }, {
  79                                 .type = CX231XX_VMUX_COMPOSITE1,
  80                                 .vmux = CX231XX_VIN_2_1,
  81                                 .amux = CX231XX_AMUX_LINE_IN,
  82                                 .gpio = NULL,
  83                         }, {
  84                                 .type = CX231XX_VMUX_SVIDEO,
  85                                 .vmux = CX231XX_VIN_1_1 |
  86                                         (CX231XX_VIN_1_2 << 8) |
  87                                         CX25840_SVIDEO_ON,
  88                                 .amux = CX231XX_AMUX_LINE_IN,
  89                                 .gpio = NULL,
  90                         }
  91                 },
  92         },
  93         [CX231XX_BOARD_CNXT_CARRAERA] = {
  94                 .name = "Conexant Hybrid TV - CARRAERA",
  95                 .tuner_type = TUNER_XC5000,
  96                 .tuner_addr = 0x61,
  97                 .tuner_gpio = RDE250_XCV_TUNER,
  98                 .tuner_sif_gpio = 0x05,
  99                 .tuner_scl_gpio = 0x1a,
 100                 .tuner_sda_gpio = 0x1b,
 101                 .decoder = CX231XX_AVDECODER,
 102                 .demod_xfer_mode = 0,
 103                 .ctl_pin_status_mask = 0xFFFFFFC4,
 104                 .agc_analog_digital_select_gpio = 0x0c,
 105                 .gpio_pin_status_mask = 0x4001000,
 106                 .tuner_i2c_master = 1,
 107                 .demod_i2c_master = 2,
 108                 .has_dvb = 1,
 109                 .demod_addr = 0x02,
 110                 .norm = V4L2_STD_PAL,
 111
 112                 .input = {{
 113                                 .type = CX231XX_VMUX_TELEVISION,
 114                                 .vmux = CX231XX_VIN_3_1,
 115                                 .amux = CX231XX_AMUX_VIDEO,
 116                                 .gpio = NULL,
 117                         }, {
 118                                 .type = CX231XX_VMUX_COMPOSITE1,
 119                                 .vmux = CX231XX_VIN_2_1,
 120                                 .amux = CX231XX_AMUX_LINE_IN,
 121                                 .gpio = NULL,
 122                         }, {
 123                                 .type = CX231XX_VMUX_SVIDEO,
 124                                 .vmux = CX231XX_VIN_1_1 |
 125                                         (CX231XX_VIN_1_2 << 8) |
 126                                         CX25840_SVIDEO_ON,
 127                                 .amux = CX231XX_AMUX_LINE_IN,
 128                                 .gpio = NULL,
 129                         }
 130                 },
 131         },
 132         [CX231XX_BOARD_CNXT_SHELBY] = {
 133                 .name = "Conexant Hybrid TV - SHELBY",
 134                 .tuner_type = TUNER_XC5000,
 135                 .tuner_addr = 0x61,
 136                 .tuner_gpio = RDE250_XCV_TUNER,
 137                 .tuner_sif_gpio = 0x05,
 138                 .tuner_scl_gpio = 0x1a,
 139                 .tuner_sda_gpio = 0x1b,
 140                 .decoder = CX231XX_AVDECODER,
 141                 .demod_xfer_mode = 0,
 142                 .ctl_pin_status_mask = 0xFFFFFFC4,
 143                 .agc_analog_digital_select_gpio = 0x0c,
 144                 .gpio_pin_status_mask = 0x4001000,
 145                 .tuner_i2c_master = 1,
 146                 .demod_i2c_master = 2,
 147                 .has_dvb = 1,
 148                 .demod_addr = 0x32,
 149                 .norm = V4L2_STD_NTSC,
 150
 151                 .input = {{
 152                                 .type = CX231XX_VMUX_TELEVISION,
 153                                 .vmux = CX231XX_VIN_3_1,
 154                                 .amux = CX231XX_AMUX_VIDEO,
 155                                 .gpio = NULL,
 156                         }, {
 157                                 .type = CX231XX_VMUX_COMPOSITE1,
 158                                 .vmux = CX231XX_VIN_2_1,
 159                                 .amux = CX231XX_AMUX_LINE_IN,
 160                                 .gpio = NULL,
 161                         }, {
 162                                 .type = CX231XX_VMUX_SVIDEO,
 163                                 .vmux = CX231XX_VIN_1_1 |
 164                                         (CX231XX_VIN_1_2 << 8) |
 165                                         CX25840_SVIDEO_ON,
 166                                 .amux = CX231XX_AMUX_LINE_IN,
 167                                 .gpio = NULL,
 168                         }
 169                 },
 170         },
 171         [CX231XX_BOARD_CNXT_RDE_253S] = {
 172                 .name = "Conexant Hybrid TV - RDE253S",
 173                 .tuner_type = TUNER_NXP_TDA18271,
 174                 .tuner_addr = 0x60,
 175                 .tuner_gpio = RDE250_XCV_TUNER,
 176                 .tuner_sif_gpio = 0x05,
 177                 .tuner_scl_gpio = 0x1a,
 178                 .tuner_sda_gpio = 0x1b,
 179                 .decoder = CX231XX_AVDECODER,
 180                 .demod_xfer_mode = 0,
 181                 .ctl_pin_status_mask = 0xFFFFFFC4,
 182                 .agc_analog_digital_select_gpio = 0x1c,
 183                 .gpio_pin_status_mask = 0x4001000,
 184                 .tuner_i2c_master = 1,
 185                 .demod_i2c_master = 2,
 186                 .has_dvb = 1,
 187                 .demod_addr = 0x02,
 188                 .norm = V4L2_STD_PAL,
 189
 190                 .input = {{
 191                                 .type = CX231XX_VMUX_TELEVISION,
 192                                 .vmux = CX231XX_VIN_3_1,
 193                                 .amux = CX231XX_AMUX_VIDEO,
 194                                 .gpio = NULL,
 195                         }, {
 196                                 .type = CX231XX_VMUX_COMPOSITE1,
 197                                 .vmux = CX231XX_VIN_2_1,
 198                                 .amux = CX231XX_AMUX_LINE_IN,
 199                                 .gpio = NULL,
 200                         }, {
 201                                 .type = CX231XX_VMUX_SVIDEO,
 202                                 .vmux = CX231XX_VIN_1_1 |
 203                                         (CX231XX_VIN_1_2 << 8) |
 204                                         CX25840_SVIDEO_ON,
 205                                 .amux = CX231XX_AMUX_LINE_IN,
 206                                 .gpio = NULL,
 207                         }
 208                 },
 209         },
 210
 211         [CX231XX_BOARD_CNXT_RDU_253S] = {
 212                 .name = "Conexant Hybrid TV - RDU253S",
 213                 .tuner_type = TUNER_NXP_TDA18271,
 214                 .tuner_addr = 0x60,
 215                 .tuner_gpio = RDE250_XCV_TUNER,
 216                 .tuner_sif_gpio = 0x05,
 217                 .tuner_scl_gpio = 0x1a,
 218                 .tuner_sda_gpio = 0x1b,
 219                 .decoder = CX231XX_AVDECODER,
 220                 .demod_xfer_mode = 0,
 221                 .ctl_pin_status_mask = 0xFFFFFFC4,
 222                 .agc_analog_digital_select_gpio = 0x1c,
 223                 .gpio_pin_status_mask = 0x4001000,
 224                 .tuner_i2c_master = 1,
 225                 .demod_i2c_master = 2,
 226                 .has_dvb = 1,
 227                 .demod_addr = 0x02,
 228                 .norm = V4L2_STD_PAL,
 229
 230                 .input = {{
 231                                 .type = CX231XX_VMUX_TELEVISION,
 232                                 .vmux = CX231XX_VIN_3_1,
 233                                 .amux = CX231XX_AMUX_VIDEO,
 234                                 .gpio = NULL,
 235                         }, {
 236                                 .type = CX231XX_VMUX_COMPOSITE1,
 237                                 .vmux = CX231XX_VIN_2_1,
 238                                 .amux = CX231XX_AMUX_LINE_IN,
 239                                 .gpio = NULL,
 240                         }, {
 241                                 .type = CX231XX_VMUX_SVIDEO,
 242                                 .vmux = CX231XX_VIN_1_1 |
 243                                         (CX231XX_VIN_1_2 << 8) |
 244                                         CX25840_SVIDEO_ON,
 245                                 .amux = CX231XX_AMUX_LINE_IN,
 246                                 .gpio = NULL,
 247                         }
 248                 },
 249         },
 250         [CX231XX_BOARD_CNXT_VIDEO_GRABBER] = {
 251                 .name = "Conexant VIDEO GRABBER",
 252                 .tuner_type = TUNER_NXP_TDA18271,
 253                 .tuner_addr = 0x60,
 254                 .tuner_gpio = RDE250_XCV_TUNER,
 255                 .tuner_sif_gpio = 0x05,
 256                 .tuner_scl_gpio = 0x1a,
 257                 .tuner_sda_gpio = 0x1b,
 258                 .decoder = CX231XX_AVDECODER,
 259                 .demod_xfer_mode = 0,
 260                 .ctl_pin_status_mask = 0xFFFFFFC4,
 261                 .agc_analog_digital_select_gpio = 0x1c,
 262                 .gpio_pin_status_mask = 0x4001000,
 263                 .tuner_i2c_master = 1,
 264                 .demod_i2c_master = 2,
 265                 .has_dvb = 0,
 266                 .demod_addr = 0x02,
 267                 .norm = V4L2_STD_PAL,
 268
 269                 .input = {{
 270                                 .type = CX231XX_VMUX_COMPOSITE1,
 271                                 .vmux = CX231XX_VIN_2_1,
 272                                 .amux = CX231XX_AMUX_LINE_IN,
 273                                 .gpio = NULL,
 274                         }, {
 275                                 .type = CX231XX_VMUX_SVIDEO,
 276                                 .vmux = CX231XX_VIN_1_1 |
 277                                         (CX231XX_VIN_1_2 << 8) |
 278                                         CX25840_SVIDEO_ON,
 279                                 .amux = CX231XX_AMUX_LINE_IN,
 280                                 .gpio = NULL,
 281                         }, {
 282                                 .type = CX231XX_VMUX_TELEVISION,
 283                                 .vmux = CX231XX_VIN_3_1,
 284                                 .amux = CX231XX_AMUX_VIDEO,
 285                                 .gpio = NULL,
 286                         }
 287                 },
 288         },
 289         [CX231XX_BOARD_CNXT_RDE_250] = {
 290                 .name = "Conexant Hybrid TV - rde 250",
 291                 .tuner_type = TUNER_XC5000,
 292                 .tuner_addr = 0x61,
 293                 .tuner_gpio = RDE250_XCV_TUNER,
 294                 .tuner_sif_gpio = 0x05,
 295                 .tuner_scl_gpio = 0x1a,
 296                 .tuner_sda_gpio = 0x1b,
 297                 .decoder = CX231XX_AVDECODER,
 298                 .demod_xfer_mode = 0,
 299                 .ctl_pin_status_mask = 0xFFFFFFC4,
 300                 .agc_analog_digital_select_gpio = 0x0c,
 301                 .gpio_pin_status_mask = 0x4001000,
 302                 .tuner_i2c_master = 1,
 303                 .demod_i2c_master = 2,
 304                 .has_dvb = 1,
 305                 .demod_addr = 0x02,
 306                 .norm = V4L2_STD_PAL,
 307
 308                 .input = {{
 309                                 .type = CX231XX_VMUX_TELEVISION,
 310                                 .vmux = CX231XX_VIN_2_1,
 311                                 .amux = CX231XX_AMUX_VIDEO,
 312                                 .gpio = NULL,
 313                         }
 314                 },
 315         },
 316         [CX231XX_BOARD_CNXT_RDU_250] = {
 317                 .name = "Conexant Hybrid TV - RDU 250",
 318                 .tuner_type = TUNER_XC5000,
 319                 .tuner_addr = 0x61,
 320                 .tuner_gpio = RDE250_XCV_TUNER,
 321                 .tuner_sif_gpio = 0x05,
 322                 .tuner_scl_gpio = 0x1a,
 323                 .tuner_sda_gpio = 0x1b,
 324                 .decoder = CX231XX_AVDECODER,
 325                 .demod_xfer_mode = 0,
 326                 .ctl_pin_status_mask = 0xFFFFFFC4,
 327                 .agc_analog_digital_select_gpio = 0x0c,
 328                 .gpio_pin_status_mask = 0x4001000,
 329                 .tuner_i2c_master = 1,
 330                 .demod_i2c_master = 2,
 331                 .has_dvb = 1,
 332                 .demod_addr = 0x32,
 333                 .norm = V4L2_STD_NTSC,
 334
 335                 .input = {{
 336                                 .type = CX231XX_VMUX_TELEVISION,
 337                                 .vmux = CX231XX_VIN_2_1,
 338                                 .amux = CX231XX_AMUX_VIDEO,
 339                                 .gpio = NULL,
 340                         }
 341                 },
 342         },
 343         [CX231XX_BOARD_HAUPPAUGE_EXETER] = {
 344                 .name = "Hauppauge EXETER",
 345                 .tuner_type = TUNER_NXP_TDA18271,
 346                 .tuner_addr = 0x60,
 347                 .tuner_gpio = RDE250_XCV_TUNER,
 348                 .tuner_sif_gpio = 0x05,
 349                 .tuner_scl_gpio = 0x1a,
 350                 .tuner_sda_gpio = 0x1b,
 351                 .decoder = CX231XX_AVDECODER,
 352                 .demod_xfer_mode = 0,
 353                 .ctl_pin_status_mask = 0xFFFFFFC4,
 354                 .agc_analog_digital_select_gpio = 0x0c,
 355                 .gpio_pin_status_mask = 0x4001000,
 356                 .tuner_i2c_master = 1,
 357                 .demod_i2c_master = 2,
 358                 .has_dvb = 1,
 359                 .demod_addr = 0x0e,
 360                 .norm = V4L2_STD_NTSC,
 361
 362                 .input = {{
 363                         .type = CX231XX_VMUX_TELEVISION,
 364                         .vmux = CX231XX_VIN_3_1,
 365                         .amux = CX231XX_AMUX_VIDEO,
 366                         .gpio = 0,
 367                 }, {
 368                         .type = CX231XX_VMUX_COMPOSITE1,
 369                         .vmux = CX231XX_VIN_2_1,
 370                         .amux = CX231XX_AMUX_LINE_IN,
 371                         .gpio = 0,
 372                 }, {
 373                         .type = CX231XX_VMUX_SVIDEO,
 374                         .vmux = CX231XX_VIN_1_1 |
 375                                 (CX231XX_VIN_1_2 << 8) |
 376                                 CX25840_SVIDEO_ON,
 377                         .amux = CX231XX_AMUX_LINE_IN,
 378                         .gpio = 0,
 379                 } },
 380         },
 381         [CX231XX_BOARD_HAUPPAUGE_USBLIVE2] = {
 382                 .name = "Hauppauge USB Live 2",
 383                 .tuner_type = TUNER_ABSENT,
 384                 .decoder = CX231XX_AVDECODER,
 385                 .demod_xfer_mode = 0,
 386                 .ctl_pin_status_mask = 0xFFFFFFC4,
 387                 .agc_analog_digital_select_gpio = 0x0c,
 388                 .gpio_pin_status_mask = 0x4001000,
 389                 .norm = V4L2_STD_NTSC,
 390                 .input = {{
 391                         .type = CX231XX_VMUX_COMPOSITE1,
 392                         .vmux = CX231XX_VIN_2_1,
 393                         .amux = CX231XX_AMUX_LINE_IN,
 394                         .gpio = 0,
 395                 }, {
 396                         .type = CX231XX_VMUX_SVIDEO,
 397                         .vmux = CX231XX_VIN_1_1 |
 398                                 (CX231XX_VIN_1_2 << 8) |
 399                                 CX25840_SVIDEO_ON,
 400                         .amux = CX231XX_AMUX_LINE_IN,
 401                         .gpio = 0,
 402                 } },
 403         },
 404 };
 405 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
 406
 407 /* table of devices that work with this driver */
 408 struct usb_device_id cx231xx_id_table[] = {
 409         {USB_DEVICE(0x0572, 0x5A3C),
 410          .driver_info = CX231XX_BOARD_UNKNOWN},
 411         {USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000,0x4fff),
 412          .driver_info = CX231XX_BOARD_UNKNOWN},
 413         {USB_DEVICE(0x0572, 0x58A2),
 414          .driver_info = CX231XX_BOARD_CNXT_CARRAERA},
 415         {USB_DEVICE(0x0572, 0x58A1),
 416          .driver_info = CX231XX_BOARD_CNXT_SHELBY},
 417         {USB_DEVICE(0x0572, 0x58A4),
 418          .driver_info = CX231XX_BOARD_CNXT_RDE_253S},
 419         {USB_DEVICE(0x0572, 0x58A5),
 420          .driver_info = CX231XX_BOARD_CNXT_RDU_253S},
 421         {USB_DEVICE(0x0572, 0x58A6),
 422          .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
 423         {USB_DEVICE(0x0572, 0x589E),
 424          .driver_info = CX231XX_BOARD_CNXT_RDE_250},
 425         {USB_DEVICE(0x0572, 0x58A0),
 426          .driver_info = CX231XX_BOARD_CNXT_RDU_250},
 427         {USB_DEVICE(0x2040, 0xb120),
 428          .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
 429         {USB_DEVICE(0x2040, 0xb140),
 430          .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
 431         {USB_DEVICE(0x2040, 0xc200),
 432          .driver_info = CX231XX_BOARD_HAUPPAUGE_USBLIVE2},
 433         {},
 434 };
 435
 436 MODULE_DEVICE_TABLE(usb, cx231xx_id_table);
 437
 438 /* cx231xx_tuner_callback
 439  * will be used to reset XC5000 tuner using GPIO pin
 440  */
 441
 442 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg)
 443 {
 444         int rc = 0;
 445         struct cx231xx *dev = ptr;
 446
 447         if (dev->tuner_type == TUNER_XC5000) {
 448                 if (command == XC5000_TUNER_RESET) {
 449                         cx231xx_info
 450                                 ("Tuner CB: RESET: cmd %d : tuner type %d \n",
 451                                  command, dev->tuner_type);
 452                         cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
 453                                                1);
 454                         msleep(10);
 455                         cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
 456                                                0);
 457                         msleep(330);
 458                         cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
 459                                                1);
 460                         msleep(10);
 461                 }
 462         }
 463         return rc;
 464 }
 465 EXPORT_SYMBOL_GPL(cx231xx_tuner_callback);
 466
 467 void cx231xx_reset_out(struct cx231xx *dev)
 468 {
 469         cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
 470         msleep(200);
 471         cx231xx_set_gpio_value(dev, CX23417_RESET, 0);
 472         msleep(200);
 473         cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
 474 }
 475 void cx231xx_enable_OSC(struct cx231xx *dev)
 476 {
 477         cx231xx_set_gpio_value(dev, CX23417_OSC_EN, 1);
 478 }
 479 void cx231xx_sleep_s5h1432(struct cx231xx *dev)
 480 {
 481         cx231xx_set_gpio_value(dev, SLEEP_S5H1432, 0);
 482 }
 483
 484 static inline void cx231xx_set_model(struct cx231xx *dev)
 485 {
 486         memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board));
 487 }
 488
 489 /* Since cx231xx_pre_card_setup() requires a proper dev->model,
 490  * this won't work for boards with generic PCI IDs
 491  */
 492 void cx231xx_pre_card_setup(struct cx231xx *dev)
 493 {
 494
 495         cx231xx_set_model(dev);
 496
 497         cx231xx_info("Identified as %s (card=%d)\n",
 498                      dev->board.name, dev->model);
 499
 500         /* set the direction for GPIO pins */
 501         if (dev->board.tuner_gpio) {
 502                 cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
 503                 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
 504                 cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
 505
 506                 /* request some modules if any required */
 507         }
 508
 509         /* set the mode to Analog mode initially */
 510         cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
 511
 512         /* Unlock device */
 513         /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */
 514
 515 }
 516
 517 static void cx231xx_config_tuner(struct cx231xx *dev)
 518 {
 519         struct tuner_setup tun_setup;
 520         struct v4l2_frequency f;
 521
 522         if (dev->tuner_type == TUNER_ABSENT)
 523                 return;
 524
 525         tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
 526         tun_setup.type = dev->tuner_type;
 527         tun_setup.addr = dev->tuner_addr;
 528         tun_setup.tuner_callback = cx231xx_tuner_callback;
 529
 530         tuner_call(dev, tuner, s_type_addr, &tun_setup);
 531
 532 #if 0
 533         if (tun_setup.type == TUNER_XC5000) {
 534                 static struct xc2028_ctrl ctrl = {
 535                         .fname = XC5000_DEFAULT_FIRMWARE,
 536                         .max_len = 64,
 537                         .demod = 0;
 538                 };
 539                 struct v4l2_priv_tun_config cfg = {
 540                         .tuner = dev->tuner_type,
 541                         .priv = &ctrl,
 542                 };
 543                 tuner_call(dev, tuner, s_config, &cfg);
 544         }
 545 #endif
 546         /* configure tuner */
 547         f.tuner = 0;
 548         f.type = V4L2_TUNER_ANALOG_TV;
 549         f.frequency = 9076;     /* just a magic number */
 550         dev->ctl_freq = f.frequency;
 551         call_all(dev, tuner, s_frequency, &f);
 552
 553 }
 554
 555 /* ----------------------------------------------------------------------- */
 556 void cx231xx_register_i2c_ir(struct cx231xx *dev)
 557 {
 558         if (disable_ir)
 559                 return;
 560
 561         /* REVISIT: instantiate IR device */
 562
 563         /* detect & configure */
 564         switch (dev->model) {
 565
 566         case CX231XX_BOARD_CNXT_CARRAERA:
 567                 break;
 568         case CX231XX_BOARD_CNXT_RDE_250:
 569                 break;
 570         case CX231XX_BOARD_CNXT_SHELBY:
 571                 break;
 572         case CX231XX_BOARD_CNXT_RDU_250:
 573                 break;
 574         case CX231XX_BOARD_CNXT_RDE_253S:
 575                 break;
 576         case CX231XX_BOARD_CNXT_RDU_253S:
 577                 break;
 578         case CX231XX_BOARD_CNXT_VIDEO_GRABBER:
 579                 break;
 580         case CX231XX_BOARD_HAUPPAUGE_EXETER:
 581                 break;
 582         default:
 583                 break;
 584         }
 585 }
 586
 587 void cx231xx_card_setup(struct cx231xx *dev)
 588 {
 589
 590         cx231xx_set_model(dev);
 591
 592         dev->tuner_type = cx231xx_boards[dev->model].tuner_type;
 593         if (cx231xx_boards[dev->model].tuner_addr)
 594                 dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr;
 595
 596         /* request some modules */
 597         if (dev->board.decoder == CX231XX_AVDECODER) {
 598                 dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
 599                                         &dev->i2c_bus[0].i2c_adap,
 600                                         "cx25840", "cx25840", 0x88 >> 1, NULL);
 601                 if (dev->sd_cx25840 == NULL)
 602                         cx231xx_info("cx25840 subdev registration failure\n");
 603                 cx25840_call(dev, core, load_fw);
 604
 605         }
 606
 607         /* Initialize the tuner */
 608         if (dev->board.tuner_type != TUNER_ABSENT) {
 609                 dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev,
 610                                                     &dev->i2c_bus[1].i2c_adap,
 611                                                     "tuner", "tuner",
 612                                                     dev->tuner_addr, NULL);
 613                 if (dev->sd_tuner == NULL)
 614                         cx231xx_info("tuner subdev registration failure\n");
 615                 else
 616                         cx231xx_config_tuner(dev);
 617         }
 618
 619 #if 0
 620         /* TBD  IR will be added later */
 621         cx231xx_ir_init(dev);
 622 #endif
 623 }
 624
 625 /*
 626  * cx231xx_config()
 627  * inits registers with sane defaults
 628  */
 629 int cx231xx_config(struct cx231xx *dev)
 630 {
 631         /* TBD need to add cx231xx specific code */
 632         dev->mute = 1;          /* maybe not the right place... */
 633         dev->volume = 0x1f;
 634
 635         return 0;
 636 }
 637
 638 /*
 639  * cx231xx_config_i2c()
 640  * configure i2c attached devices
 641  */
 642 void cx231xx_config_i2c(struct cx231xx *dev)
 643 {
 644         /* u32 input = INPUT(dev->video_input)->vmux; */
 645
 646         call_all(dev, video, s_stream, 1);
 647 }
 648
 649 /*
 650  * cx231xx_realease_resources()
 651  * unregisters the v4l2,i2c and usb devices
 652  * called when the device gets disconected or at module unload
 653 */
 654 void cx231xx_release_resources(struct cx231xx *dev)
 655 {
 656
 657 #if 0           /* TBD IR related  */
 658         if (dev->ir)
 659                 cx231xx_ir_fini(dev);
 660 #endif
 661
 662         cx231xx_release_analog_resources(dev);
 663
 664         cx231xx_remove_from_devlist(dev);
 665
 666         cx231xx_dev_uninit(dev);
 667
 668         usb_put_dev(dev->udev);
 669
 670         /* Mark device as unused */
 671         cx231xx_devused &= ~(1 << dev->devno);
 672 }
 673
 674 /*
 675  * cx231xx_init_dev()
 676  * allocates and inits the device structs, registers i2c bus and v4l device
 677  */
 678 static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev,
 679                             int minor)
 680 {
 681         struct cx231xx *dev = *devhandle;
 682         int retval = -ENOMEM;
 683         int errCode;
 684         unsigned int maxh, maxw;
 685
 686         dev->udev = udev;
 687         mutex_init(&dev->lock);
 688         mutex_init(&dev->ctrl_urb_lock);
 689         mutex_init(&dev->gpio_i2c_lock);
 690         mutex_init(&dev->i2c_lock);
 691
 692         spin_lock_init(&dev->video_mode.slock);
 693         spin_lock_init(&dev->vbi_mode.slock);
 694         spin_lock_init(&dev->sliced_cc_mode.slock);
 695
 696         init_waitqueue_head(&dev->open);
 697         init_waitqueue_head(&dev->wait_frame);
 698         init_waitqueue_head(&dev->wait_stream);
 699
 700         dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg;
 701         dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg;
 702         dev->cx231xx_send_usb_command = cx231xx_send_usb_command;
 703         dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read;
 704         dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write;
 705
 706         /* Query cx231xx to find what pcb config it is related to */
 707         initialize_cx231xx(dev);
 708
 709         /*To workaround error number=-71 on EP0 for VideoGrabber,
 710                  need set alt here.*/
 711         if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER ||
 712             dev->model == CX231XX_BOARD_HAUPPAUGE_USBLIVE2) {
 713                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
 714                 cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
 715         }
 716         /* Cx231xx pre card setup */
 717         cx231xx_pre_card_setup(dev);
 718
 719         errCode = cx231xx_config(dev);
 720         if (errCode) {
 721                 cx231xx_errdev("error configuring device\n");
 722                 return -ENOMEM;
 723         }
 724
 725         /* set default norm */
 726         dev->norm = dev->board.norm;
 727
 728         /* register i2c bus */
 729         errCode = cx231xx_dev_init(dev);
 730         if (errCode < 0) {
 731                 cx231xx_dev_uninit(dev);
 732                 cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n",
 733                                __func__, errCode);
 734                 return errCode;
 735         }
 736
 737         /* Do board specific init */
 738         cx231xx_card_setup(dev);
 739
 740         /* configure the device */
 741         cx231xx_config_i2c(dev);
 742
 743         maxw = norm_maxw(dev);
 744         maxh = norm_maxh(dev);
 745
 746         /* set default image size */
 747         dev->width = maxw;
 748         dev->height = maxh;
 749         dev->interlaced = 0;
 750         dev->video_input = 0;
 751
 752         errCode = cx231xx_config(dev);
 753         if (errCode < 0) {
 754                 cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n",
 755                                __func__, errCode);
 756                 return errCode;
 757         }
 758
 759         /* init video dma queues */
 760         INIT_LIST_HEAD(&dev->video_mode.vidq.active);
 761         INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
 762
 763         /* init vbi dma queues */
 764         INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
 765         INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
 766
 767         /* Reset other chips required if they are tied up with GPIO pins */
 768         cx231xx_add_into_devlist(dev);
 769
 770         printk(KERN_INFO "attach 417 %d\n", dev->model);
 771         if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
 772                 if (cx231xx_417_register(dev) < 0) {
 773                         printk(KERN_ERR
 774                                 "%s() Failed to register 417 on VID_B\n",
 775                                __func__);
 776                 }
 777         }
 778
 779         retval = cx231xx_register_analog_devices(dev);
 780         if (retval < 0) {
 781                 cx231xx_release_resources(dev);
 782                 goto fail_reg_devices;
 783         }
 784
 785         cx231xx_init_extension(dev);
 786
 787         return 0;
 788
 789 fail_reg_devices:
 790         mutex_unlock(&dev->lock);
 791         return retval;
 792 }
 793
 794 #if defined(CONFIG_MODULES) && defined(MODULE)
 795 static void request_module_async(struct work_struct *work)
 796 {
 797         struct cx231xx *dev = container_of(work,
 798                                            struct cx231xx, request_module_wk);
 799
 800         if (dev->has_alsa_audio)
 801                 request_module("cx231xx-alsa");
 802
 803         if (dev->board.has_dvb)
 804                 request_module("cx231xx-dvb");
 805
 806 }
 807
 808 static void request_modules(struct cx231xx *dev)
 809 {
 810         INIT_WORK(&dev->request_module_wk, request_module_async);
 811         schedule_work(&dev->request_module_wk);
 812 }
 813 #else
 814 #define request_modules(dev)
 815 #endif /* CONFIG_MODULES */
 816
 817 /*
 818  * cx231xx_usb_probe()
 819  * checks for supported devices
 820  */
 821 static int cx231xx_usb_probe(struct usb_interface *interface,
 822                              const struct usb_device_id *id)
 823 {
 824         struct usb_device *udev;
 825         struct usb_interface *uif;
 826         struct cx231xx *dev = NULL;
 827         int retval = -ENODEV;
 828         int nr = 0, ifnum;
 829         int i, isoc_pipe = 0;
 830         char *speed;
 831         char descr[255] = "";
 832         struct usb_interface *lif = NULL;
 833         int skip_interface = 0;
 834         struct usb_interface_assoc_descriptor *assoc_desc;
 835
 836         udev = usb_get_dev(interface_to_usbdev(interface));
 837         ifnum = interface->altsetting[0].desc.bInterfaceNumber;
 838
 839         if (!ifnum) {
 840                 /*
 841                  * Interface number 0 - IR interface
 842                  */
 843                 /* Check to see next free device and mark as used */
 844                 nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
 845                 cx231xx_devused |= 1 << nr;
 846
 847                 if (nr >= CX231XX_MAXBOARDS) {
 848                         cx231xx_err(DRIVER_NAME
 849                  ": Supports only %i cx231xx boards.\n", CX231XX_MAXBOARDS);
 850                         cx231xx_devused &= ~(1 << nr);
 851                         return -ENOMEM;
 852                 }
 853
 854                 /* allocate memory for our device state and initialize it */
 855                 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 856                 if (dev == NULL) {
 857                         cx231xx_err(DRIVER_NAME ": out of memory!\n");
 858                         cx231xx_devused &= ~(1 << nr);
 859                         return -ENOMEM;
 860                 }
 861
 862                 snprintf(dev->name, 29, "cx231xx #%d", nr);
 863                 dev->devno = nr;
 864                 dev->model = id->driver_info;
 865                 dev->video_mode.alt = -1;
 866                 dev->interface_count++;
 867
 868                 /* reset gpio dir and value */
 869                 dev->gpio_dir = 0;
 870                 dev->gpio_val = 0;
 871                 dev->xc_fw_load_done = 0;
 872                 dev->has_alsa_audio = 1;
 873                 dev->power_mode = -1;
 874                 atomic_set(&dev->devlist_count, 0);
 875
 876                 /* 0 - vbi ; 1 -sliced cc mode */
 877                 dev->vbi_or_sliced_cc_mode = 0;
 878
 879                 /* get maximum no.of IAD interfaces */
 880                 assoc_desc = udev->actconfig->intf_assoc[0];
 881                 dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
 882
 883                 /* init CIR module TBD */
 884
 885                 /* store the current interface */
 886                 lif = interface;
 887
 888                 /*mode_tv: digital=1 or analog=0*/
 889                 dev->mode_tv = 0;
 890
 891                 dev->USE_ISO = transfer_mode;
 892
 893                 switch (udev->speed) {
 894                 case USB_SPEED_LOW:
 895                         speed = "1.5";
 896                         break;
 897                 case USB_SPEED_UNKNOWN:
 898                 case USB_SPEED_FULL:
 899                         speed = "12";
 900                         break;
 901                 case USB_SPEED_HIGH:
 902                         speed = "480";
 903                         break;
 904                 default:
 905                         speed = "unknown";
 906                 }
 907
 908                 if (udev->manufacturer)
 909                         strlcpy(descr, udev->manufacturer, sizeof(descr));
 910
 911                 if (udev->product) {
 912                         if (*descr)
 913                                 strlcat(descr, " ", sizeof(descr));
 914                         strlcat(descr, udev->product, sizeof(descr));
 915                 }
 916                 if (*descr)
 917                         strlcat(descr, " ", sizeof(descr));
 918
 919                 cx231xx_info("New device %s@ %s Mbps "
 920                      "(%04x:%04x) with %d interfaces\n",
 921                      descr,
 922                      speed,
 923                      le16_to_cpu(udev->descriptor.idVendor),
 924                      le16_to_cpu(udev->descriptor.idProduct),
 925                      dev->max_iad_interface_count);
 926         } else {
 927                 /* Get dev structure first */
 928                 dev = usb_get_intfdata(udev->actconfig->interface[0]);
 929                 if (dev == NULL) {
 930                         cx231xx_err(DRIVER_NAME ": out of first interface!\n");
 931                         return -ENODEV;
 932                 }
 933
 934                 /* store the interface 0 back */
 935                 lif = udev->actconfig->interface[0];
 936
 937                 /* increment interface count */
 938                 dev->interface_count++;
 939
 940                 /* get device number */
 941                 nr = dev->devno;
 942
 943                 /*
 944                  * set skip interface, for all interfaces but
 945                  * interface 1 and the last one
 946                  */
 947                 if ((ifnum != 1) && ((ifnum)
 948                                      != dev->max_iad_interface_count))
 949                         skip_interface = 1;
 950
 951                 if (ifnum == 1) {
 952                         assoc_desc = udev->actconfig->intf_assoc[0];
 953                         if (assoc_desc->bFirstInterface != ifnum) {
 954                                 cx231xx_err(DRIVER_NAME ": Not found "
 955                                             "matching IAD interface\n");
 956                                 return -ENODEV;
 957                         }
 958                 }
 959         }
 960
 961         if (skip_interface)
 962                 return -ENODEV;
 963
 964         cx231xx_info("registering interface %d\n", ifnum);
 965
 966         /* save our data pointer in this interface device */
 967         usb_set_intfdata(lif, dev);
 968
 969         if ((ifnum) != dev->max_iad_interface_count)
 970                 return 0;
 971
 972         /*
 973          * AV device initialization - only done at the last interface
 974          */
 975
 976         /* Create v4l2 device */
 977         retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
 978         if (retval) {
 979                 cx231xx_errdev("v4l2_device_register failed\n");
 980                 cx231xx_devused &= ~(1 << nr);
 981                 kfree(dev);
 982                 dev = NULL;
 983                 return -EIO;
 984         }
 985         /* allocate device struct */
 986         retval = cx231xx_init_dev(&dev, udev, nr);
 987         if (retval) {
 988                 cx231xx_devused &= ~(1 << dev->devno);
 989                 v4l2_device_unregister(&dev->v4l2_dev);
 990                 kfree(dev);
 991                 dev = NULL;
 992                 usb_set_intfdata(lif, NULL);
 993
 994                 return retval;
 995         }
 996
 997         /* compute alternate max packet sizes for video */
 998         uif = udev->actconfig->interface[dev->current_pcb_config.
 999                        hs_config_info[0].interface_info.video_index + 1];
1000
1001         dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0].
1002                         endpoint[isoc_pipe].desc.bEndpointAddress);
1003
1004         dev->video_mode.num_alt = uif->num_altsetting;
1005         cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1006                      dev->video_mode.end_point_addr,
1007                      dev->video_mode.num_alt);
1008         dev->video_mode.alt_max_pkt_size =
1009                 kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
1010
1011         if (dev->video_mode.alt_max_pkt_size == NULL) {
1012                 cx231xx_errdev("out of memory!\n");
1013                 cx231xx_devused &= ~(1 << nr);
1014                 v4l2_device_unregister(&dev->v4l2_dev);
1015                 kfree(dev);
1016                 dev = NULL;
1017                 return -ENOMEM;
1018         }
1019
1020         for (i = 0; i < dev->video_mode.num_alt; i++) {
1021                 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1022                                 desc.wMaxPacketSize);
1023                 dev->video_mode.alt_max_pkt_size[i] =
1024                     (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1025                 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1026                              dev->video_mode.alt_max_pkt_size[i]);
1027         }
1028
1029         /* compute alternate max packet sizes for vbi */
1030         uif = udev->actconfig->interface[dev->current_pcb_config.
1031                                        hs_config_info[0].interface_info.
1032                                        vanc_index + 1];
1033
1034         dev->vbi_mode.end_point_addr =
1035             le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1036                         bEndpointAddress);
1037
1038         dev->vbi_mode.num_alt = uif->num_altsetting;
1039         cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1040                      dev->vbi_mode.end_point_addr,
1041                      dev->vbi_mode.num_alt);
1042         dev->vbi_mode.alt_max_pkt_size =
1043             kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
1044
1045         if (dev->vbi_mode.alt_max_pkt_size == NULL) {
1046                 cx231xx_errdev("out of memory!\n");
1047                 cx231xx_devused &= ~(1 << nr);
1048                 v4l2_device_unregister(&dev->v4l2_dev);
1049                 kfree(dev);
1050                 dev = NULL;
1051                 return -ENOMEM;
1052         }
1053
1054         for (i = 0; i < dev->vbi_mode.num_alt; i++) {
1055                 u16 tmp =
1056                     le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1057                                 desc.wMaxPacketSize);
1058                 dev->vbi_mode.alt_max_pkt_size[i] =
1059                     (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1060                 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1061                              dev->vbi_mode.alt_max_pkt_size[i]);
1062         }
1063
1064         /* compute alternate max packet sizes for sliced CC */
1065         uif = udev->actconfig->interface[dev->current_pcb_config.
1066                                        hs_config_info[0].interface_info.
1067                                        hanc_index + 1];
1068
1069         dev->sliced_cc_mode.end_point_addr =
1070             le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1071                         bEndpointAddress);
1072
1073         dev->sliced_cc_mode.num_alt = uif->num_altsetting;
1074         cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1075                      dev->sliced_cc_mode.end_point_addr,
1076                      dev->sliced_cc_mode.num_alt);
1077         dev->sliced_cc_mode.alt_max_pkt_size =
1078                 kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
1079
1080         if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
1081                 cx231xx_errdev("out of memory!\n");
1082                 cx231xx_devused &= ~(1 << nr);
1083                 v4l2_device_unregister(&dev->v4l2_dev);
1084                 kfree(dev);
1085                 dev = NULL;
1086                 return -ENOMEM;
1087         }
1088
1089         for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
1090                 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1091                                 desc.wMaxPacketSize);
1092                 dev->sliced_cc_mode.alt_max_pkt_size[i] =
1093                     (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1094                 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1095                              dev->sliced_cc_mode.alt_max_pkt_size[i]);
1096         }
1097
1098         if (dev->current_pcb_config.ts1_source != 0xff) {
1099                 /* compute alternate max packet sizes for TS1 */
1100                 uif = udev->actconfig->interface[dev->current_pcb_config.
1101                                                hs_config_info[0].
1102                                                interface_info.
1103                                                ts1_index + 1];
1104
1105                 dev->ts1_mode.end_point_addr =
1106                     le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
1107                                 desc.bEndpointAddress);
1108
1109                 dev->ts1_mode.num_alt = uif->num_altsetting;
1110                 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1111                              dev->ts1_mode.end_point_addr,
1112                              dev->ts1_mode.num_alt);
1113                 dev->ts1_mode.alt_max_pkt_size =
1114                         kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
1115
1116                 if (dev->ts1_mode.alt_max_pkt_size == NULL) {
1117                         cx231xx_errdev("out of memory!\n");
1118                         cx231xx_devused &= ~(1 << nr);
1119                         v4l2_device_unregister(&dev->v4l2_dev);
1120                         kfree(dev);
1121                         dev = NULL;
1122                         return -ENOMEM;
1123                 }
1124
1125                 for (i = 0; i < dev->ts1_mode.num_alt; i++) {
1126                         u16 tmp = le16_to_cpu(uif->altsetting[i].
1127                                                 endpoint[isoc_pipe].desc.
1128                                                 wMaxPacketSize);
1129                         dev->ts1_mode.alt_max_pkt_size[i] =
1130                             (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1131                         cx231xx_info("Alternate setting %i, max size= %i\n", i,
1132                                      dev->ts1_mode.alt_max_pkt_size[i]);
1133                 }
1134         }
1135
1136         if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
1137                 cx231xx_enable_OSC(dev);
1138                 cx231xx_reset_out(dev);
1139                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
1140         }
1141
1142         if (dev->model == CX231XX_BOARD_CNXT_RDE_253S)
1143                 cx231xx_sleep_s5h1432(dev);
1144
1145         /* load other modules required */
1146         request_modules(dev);
1147
1148         return 0;
1149 }
1150
1151 /*
1152  * cx231xx_usb_disconnect()
1153  * called when the device gets diconencted
1154  * video device will be unregistered on v4l2_close in case it is still open
1155  */
1156 static void cx231xx_usb_disconnect(struct usb_interface *interface)
1157 {
1158         struct cx231xx *dev;
1159
1160         dev = usb_get_intfdata(interface);
1161         usb_set_intfdata(interface, NULL);
1162
1163         if (!dev)
1164                 return;
1165
1166         if (!dev->udev)
1167                 return;
1168
1169         /* delete v4l2 device */
1170         v4l2_device_unregister(&dev->v4l2_dev);
1171
1172         /* wait until all current v4l2 io is finished then deallocate
1173            resources */
1174         mutex_lock(&dev->lock);
1175
1176         wake_up_interruptible_all(&dev->open);
1177
1178         if (dev->users) {
1179                 cx231xx_warn
1180                     ("device %s is open! Deregistration and memory "
1181                      "deallocation are deferred on close.\n",
1182                      video_device_node_name(dev->vdev));
1183
1184                 dev->state |= DEV_MISCONFIGURED;
1185                 if (dev->USE_ISO)
1186                         cx231xx_uninit_isoc(dev);
1187                 else
1188                         cx231xx_uninit_bulk(dev);
1189                 dev->state |= DEV_DISCONNECTED;
1190                 wake_up_interruptible(&dev->wait_frame);
1191                 wake_up_interruptible(&dev->wait_stream);
1192         } else {
1193                 dev->state |= DEV_DISCONNECTED;
1194                 cx231xx_release_resources(dev);
1195         }
1196
1197         cx231xx_close_extension(dev);
1198
1199         mutex_unlock(&dev->lock);
1200
1201         if (!dev->users) {
1202                 kfree(dev->video_mode.alt_max_pkt_size);
1203                 kfree(dev->vbi_mode.alt_max_pkt_size);
1204                 kfree(dev->sliced_cc_mode.alt_max_pkt_size);
1205                 kfree(dev->ts1_mode.alt_max_pkt_size);
1206                 kfree(dev);
1207                 dev = NULL;
1208         }
1209 }
1210
1211 static struct usb_driver cx231xx_usb_driver = {
1212         .name = "cx231xx",
1213         .probe = cx231xx_usb_probe,
1214         .disconnect = cx231xx_usb_disconnect,
1215         .id_table = cx231xx_id_table,
1216 };
1217
1218 static int __init cx231xx_module_init(void)
1219 {
1220         int result;
1221
1222         printk(KERN_INFO DRIVER_NAME " v4l2 driver loaded.\n");
1223
1224         /* register this driver with the USB subsystem */
1225         result = usb_register(&cx231xx_usb_driver);
1226         if (result)
1227                 cx231xx_err(DRIVER_NAME
1228                             " usb_register failed. Error number %d.\n", result);
1229
1230         return result;
1231 }
1232
1233 static void __exit cx231xx_module_exit(void)
1234 {
1235         /* deregister this driver with the USB subsystem */
1236         usb_deregister(&cx231xx_usb_driver);
1237 }
1238
1239 module_init(cx231xx_module_init);
1240 module_exit(cx231xx_module_exit);